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5503DCR

Direct Conversion Receiver

TDK Corporation 

®

TDK SEMICONDUCTOR CORP.

DESCRIPTION

The 5503 is a low cost, high performance direct

conversion receiver (DCR) specifically designed for

digital wireless applications. The DCR architecture

provides a receiver design with fewer external

components than the conventional dual conversion

approach. The 5503 is designed to operate over an

input frequency range of 950 to 1450 MHz. The

device accepts an input signal in this frequency

range and down converts directly to baseband. The

local oscillator signal is generated by a completely

integrated phase lock loop that is fully

programmable through a standard serial port

interface.

5503 DCR

Direct Conversion Receiver

Advanced Information

FEATURES

February 2001

• Wideband I/Q demodulator

– RF input 950 to 1450 MHz

– External lowpass filter

- Integrated post-filter baseband drivers

• Integrated VCO and frequency synthesizer

• AGC Amplifier

APPLICATIONS

• Digital Satellite

• VSAT Receivers

BLOCK DIAGRAM

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